511 citations · 6.2k across the 88 of their papers we have counts for
7 papers · 1 filter
Gate-tunable diode and photovoltaic effect in an organic-2D layered material p-n junction
Saül Vélez, David Ciudad, Joshua Island +8
The semiconducting p-n junction is a simple device structure with great relevance for electronic and optoelectronic applications. The successful integration of low-dimensional mate…
Modulation of Spin Accumulation by Nanoscale Confinement using Electromigration in a Metallic Lateral Spin Valve
Emmanouil Masourakis, Libe Arzubiaga, Goran Mihajlović +4
We study spin transport in lateral spin valves with constricted channels. Using electromigration, we modulate the spin accumulation by continuously varying the width of the non-mag…
Reliable determination of the Cu/n-Si Schottky barrier height by using in-device hot-electron spectroscopy
Subir Parui, Ainhoa Atxabal, Mário Ribeiro +5
We show the operation of a Cu/Al_2O_3/Cu/n-Si hot-electron transistor for the straightforward determination of a metal/semiconductor energy barrier height even at temperatures belo…
Spin Hall magnetoresistance as a probe for surface magnetization in Pt/CoFeO bilayers
Miren Isasa, Saül Vélez, Edurne Sagasta +6
We study the spin Hall magnetoresistance (SMR) in Pt grown on CoFeO (CFO) ferrimagnetic insulating (FMI) films. A careful analysis of the angle-dependent…
Absence of magnetic proximity effects in magnetoresistive Pt/CoFe2O4 hybrid interfaces
M. Valvidares, N. Dix, M. Isasa +10
Ultra-thin Pt films grown on insulating ferrimagnetic CoFe2O4 (111) epitaxial films display a magnetoresistance upon rotating the magnetization of the magnetic layer. We report her…
Effect of the interface resistance in non-local Hanle measurements
Estitxu Villamor, Luis E. Hueso, Fèlix Casanova
We use lateral spin valves with varying interface resistance to measure non-local Hanle effect in order to extract the spin-diffusion length of the non-magnetic channel. A general…
Hanle Magnetoresistance in Thin Metal Films with Strong Spin-Orbit Coupling
Saül Vélez, Vitaly N. Golovach, Amilcar Bedoya-Pinto +7
We report measurements of a new type of magnetoresistance in Pt and Ta thin films. The spin accumulation created at the surfaces of the film by the spin Hall effect decreases in a…